Average Co-Inventor Count = 4.67
ph-index = 12
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. The Directv Group, Inc. (26 from 1,033 patents)
2. The Directv Goup, Inc. (1 from 1 patent)
27 patents:
1. 10977631 - Secure content transfer systems and methods to operate the same
2. 9967521 - Methods and apparatus to provide content on demand in content broadcast systems
3. 9811789 - Secure content transfer systems and methods to operate the same
4. 9743121 - Methods and apparatus to conditionally authorize content delivery at broadcast headends in pay delivery systems
5. 9485469 - Methods and apparatus to provide content on demand in content broadcast systems
6. 8996421 - Methods and apparatus to conditionally authorize content delivery at broadcast headends in pay delivery systems
7. 8782438 - Secure storage and replay of media programs using a hard-paired receiver and storage device
8. 8775319 - Secure content transfer systems and methods to operate the same
9. 8677152 - Method and apparatus for encrypting media programs for later purchase and viewing
10. 8532294 - Just in time delivery of entitlement control messages (ECMs) and other essential data elements for television programming
11. 8417939 - Method and apparatus for file sharing between a group of user devices with encryption-decryption information sent via satellite and the content sent separately
12. 8243923 - Method and system for providing a predeactivation warning in a system having a conditional access authorization expiration in a mobile receiving device
13. 8140859 - Secure storage and replay of media programs using a hard-paired receiver and storage device
14. 8095466 - Methods and apparatus to conditionally authorize content delivery at content servers in pay delivery systems
15. 8001565 - Methods and apparatus to conditionally authorize content delivery at receivers in pay delivery systems